持蠡测海
      Explanation: Li: gourd dipper, scoop the water of ancient utensils. Refers to water with a scoop to measure the depth of how much. Analogy with the shallow look on esoteric things.
      Source: "Han Dongfang Shuo pass the" Glimpse of days to Shallow Sea. "
      Examples: Absurd - Shen pour the wine, such as mian. ★ Tandoori Fu "special gifts into Ruyang Wang twenty rhyme"